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Figure 1


Fig. 1. Electric field models. (A) Complete view of the model geometry, composed of an aquarium, grounding and reference electrodes and the model fish. (B) Close-up of morphologically accurate `fish' model consisting of a thin skin layer, an electric organ (EO) and an interior body component (between the EO and skin). The EO is 15.47 cm long and 0.08 cm thick, the skin is 0.01 cm thick and the fish is 21cm long and 1.4 cm wide. (C,D) Geometrically simple models used for studying (C) different fish tapers (see text for explanation) and (D) various body and skin properties. To achieve different tapers in C, the left side of the model (here shown for a width of 1.82 cm) is varied. The EO length and skin thickness for C and D are the same as in B. Model C is referred to as the `taper' model and model D is referred to as the `box' model. x and y axes, as well as grounding and reference electrodes, are not to scale.





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